Barbie has nothing on these girls. Meet “Rod,” a lonely carpenter who decided to “fix” his life post-breakup by buying and eventually “marrying” a sex doll named Karina. He even introduced the blow-up doll to his mom, who now looks at her like a “long-lost daughter.” Rod then welcomed a second plastic playmate into the relationship named Lauren. Find out more about the surprising world of sex-doll influencers in this episode of “Under the Covers.”